Home / 185,442.30-277,897.05-115,280.70

Finding the Fourth Proportional to 185,442.30, 277,897.05 and 115,280.70

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Solution

The fourth proportional to 185,442.30, 277,897.05 and 115,280.70 is: 172,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,442.30 : 277,897.05 = 115,280.70 : x
  2. Step 2: Convert to fraction form
    185,442.30/277,897.05 = 115,280.70/x
  3. Step 3: Cross multiply
    185,442.30x = 277,897.05 × 115,280.70
  4. Step 4: Simplify right side
    185,442.30x = 32,036,166,451.94
  5. Step 5: Solve for x
    x = 32,036,166,451.94/185,442.30
  6. Step 6: Final answer
    x = 172,755.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.